# x='1,2,3,4,5,6,'
# y='123456'
# print(x.split())
# print("-".join(y))
# print(int('101',2))#换二进制
# print(int('ff',16))
###############################
# x='www.python.org'
# print(x.strip('w'))#移除参数包含的字符,如果未找到返回-1
# print(x.find('p'))#查找字符串
# print(x.find('zz'))
# print(x.find('w',3))#忽略位置3之前的所有字符  忽略后w不存在返回-1
# print(x.find('w',0,3))#
#######################################
x="1 2 3 4 5".split()#返回一个列表
y="a b c d e".split()
print(x)
print(y)
for i in range(0,5):
    print("{1}={0}".format(x[i],y[i]))